143878245 has 16 divisors (see below), whose sum is σ = 263091840. Its totient is φ = 65772864.

The previous prime is 143878243. The next prime is 143878249. The reversal of 143878245 is 542878341.

It is not a de Polignac number, because 143878245 - 2¹ = 143878243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143878197 and 143878206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143878243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685030 + ... + 685239.

It is an arithmetic number, because the mean of its divisors is an integer number (16443240).

Almost surely, 2^143878245 is an apocalyptic number.

143878245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143878245 is a deficient number, since it is larger than the sum of its proper divisors (119213595).

143878245 is a wasteful number, since it uses less digits than its factorization.

143878245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370284.

The product of its digits is 215040, while the sum is 42.

The square root of 143878245 is about 11994.9258021882. The cubic root of 143878245 is about 524.0005110905. Note that the first 3 decimals are identical.

The spelling of 143878245 in words is "one hundred forty-three million, eight hundred seventy-eight thousand, two hundred forty-five".